BGP is designed as an inter-domain routing protocol with the goal of policy control and scalability. However, BGP cannot replace IGP because they apply to different scenarios. BGP is called Internal BGP (IBGP) when it runs within an AS and is called External BGP (EBGP) when it runs between...
BGP that is used to routewithina single AS is iBGP. When BGP is used to connect one AS to others, it is called External BGP, or eBGP. The Open Shortest Path First (OSPF) protocol is used only in internal networks. OSPF focuses on finding the shortest route available between nodes and ...
Because BGP is created to replace EGP, BGP is similar to EGP. However, BGP can also be applied in an AS. Therefore, BGP can be divided into interior BGP (IBGP: connection between the same AS) and EBGP. (Exterior BGP: BGP connection between different ASs) Since EGP has been replaced, ...
Routes are exchanged and traffic is transmitted over the Internet using external BGP (eBGP). Autonomous systems can also use an internal version of BGP to route through their internal networks, which is known as internal BGP (iBGP). It should be noted that using internal BGP is NOT a require...
Bidirectional Forwarding Detection is used with many protocols for link failure detection. These protocols are: Static routes IGPs (OSPF, IS-IS) BGP (eBGP, iBGP) LDP RSVP Disadvantages of BFD Beside the advantages of BFD, it has also some disadvantages. First of all it can have more resource...
EBGP is used and implemented at the edge or border router that provides interconnectivity for two or more autonomous systems. It works in collaboration with Internal Border Gateway Protocol (IBGP) to transfer data from the external Internet/AS to the internal Internet/AS, and vice versa. Advertise...
When used to facilitate communication between different autonomous systems, BGP is referred to as External BGP (EBGP). When used at host networks/autonomous systems, BGP is referred to as Internal BGP (IBGP). BGP was created to extend and replace Exterior Gateway Protocol (EGP). Advertisements ...
Internal BGP (iBGP) is used for routing within a single autonomous system. It ensures that routing information is consistently distributed among all routers inside the AS. Unlike eBGP, which connects routers at the edges of different ASes, iBGP connects routers within the same AS, including core...
What is the requirement of Remote Triggered Black Hole (RTBH ) filtering?() A. IBGP updates exchange between trigger router and black hole router B. EBGP updates exchange between trigger router and black hole router C. OSPF ...
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